44340224021 has 12 divisors (see below), whose sum is σ = 47604653292. Its totient is φ = 41266089216.

The previous prime is 44340223969. The next prime is 44340224023. The reversal of 44340224021 is 12042204344.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17447503921 + 26892720100 = 132089^2 + 163990^2 .

It is not a de Polignac number, because 44340224021 - 2¹⁸ = 44339961877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44340224023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113116 + ... + 1152261.

It is an arithmetic number, because the mean of its divisors is an integer number (3967054441).

Almost surely, 2^44340224021 is an apocalyptic number.

It is an amenable number.

44340224021 is a deficient number, since it is larger than the sum of its proper divisors (3264429271).

44340224021 is a wasteful number, since it uses less digits than its factorization.

44340224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265460 (or 2265437 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 44340224021 its reverse (12042204344), we get a palindrome (56382428365).

The spelling of 44340224021 in words is "forty-four billion, three hundred forty million, two hundred twenty-four thousand, twenty-one".